27Saving for prerogative
Nothing in this Part of this Act shall affect His Majesty's Royal prerogative to quash a conviction by a court-martial, so far as regards the exercise thereof at a time before the receipt by the registrar of an application for leave to appeal to the Court against the conviction or the receipt by him of particulars of such an application furnished in pursuance of paragraph (b) of subsection (3) of section four of this Act, whichever event first occurs, and nothing in this Part of this Act shall affect His Majesty's Royal prerogative of mercy.